Affiliation:
1. U.S. Army Natick Research and Development Center, Natick, Massachusetts 01760, U.S.A.
Abstract
The purpose of this report is to present evidence supporting the thesis that the major mode of penetration of nylon ballistic panels by fragment-simulating projectiles is a cutting, shearing mechanism: Shear forces required for yarn failure are usually less than tensile forces. Penetration is always at a slight angle, with the 90° edge of the FSP leading. Many yarn ends terminated in a smooth surface (in a tensile break the filaments break at random places along the yarn). Penetration of the cloth in certain experimental situations occur in a manner precluding tensile failure. The force required for nylon or Kevlar yarn failure is less for a rectangular leading surface than it is for a chisel-shaped leading surface.
Subject
Polymers and Plastics,Chemical Engineering (miscellaneous)
Cited by
25 articles.
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